

import pytest

@pytest.fixture(params=[1,2,3])
def init__xx(request):
    return request.param



class Test_xx():
    def setup_class(self):
        print('setup_class....')
    def teardown_class(self):
        print('teardown_class----')

    def test_xx(self,init__xx):
        print('test_a....',init__xx)
        assert init__xx!=4
    def test_yy(self):
        print('test_b....')
        assert True


def test_c():
    print('test_c....')